15690320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 39372480

約数和(自身を除く): 23682160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 139, 166, 170, 272, 278, 332, 340, 415, 556, 664, 680, 695, 830, 1112, 1328, 1360, 1390, 1411, 1660, 2224, 2363, 2780, 2822, 3320, 4726, 5560, 5644, 6640, 7055, 9452, 11120, 11288, 11537, 11815, 14110, 18904, 22576, 23074, 23630, 28220, 37808, 46148, 47260, 56440, 57685, 92296, 94520, 112880, 115370, 184592, 189040, 196129, 230740, 392258, 461480, 784516, 922960, 980645, 1569032, 1961290, 3138064, 3922580, 7845160, 15690320]

約数ペア:

[(1, 15690320), (2, 7845160), (4, 3922580), (5, 3138064), (8, 1961290), (10, 1569032), (16, 980645), (17, 922960), (20, 784516), (34, 461480), (40, 392258), (68, 230740), (80, 196129), (83, 189040), (85, 184592), (136, 115370), (139, 112880), (166, 94520), (170, 92296), (272, 57685), (278, 56440), (332, 47260), (340, 46148), (415, 37808), (556, 28220), (664, 23630), (680, 23074), (695, 22576), (830, 18904), (1112, 14110), (1328, 11815), (1360, 11537), (1390, 11288), (1411, 11120), (1660, 9452), (2224, 7055), (2363, 6640), (2780, 5644), (2822, 5560), (3320, 4726)]